IOM 2017, Блиц — Задача 33

OLYMPIAD OF METROPOLISES. Moscow, September 4 · 4 септември 2017 г.

Условие

Choose the process(es) decreasing the system entropy.

1. Evaporation of an alcohol
2. Dissolution of hydrogen chloride in water
3. Condensation of water vapor
4. Iron melting
5. Ammonia synthesis from elements

Отговори

Решение

Оригинал в Архива: blitz.pdf · официални решения: answers-blitz.pdf